#include<stdio.h>
#include<math.h>
void main()
{
    int n,i=0;
    printf("ENTER NUMBER OF CHARACTER IN A STRING =\n");
    scanf("%d",&n);
    printf("NUMBER OF CHARACTER =%d\n",n);
    char str[n],str1[n],a;
    printf("ENTER YOUR STRING =\n");
    scanf("%s",str);
    printf("YOUR FIRST STRING IS =");
    while(str[i]!='\0')
    {
        printf("%c",str[i]);
        i++;
    }
    printf("\n");
    printf("ENTER YOUR SECOND STRING =\n");
    scanf("%s",str1);
    printf("YOUR SECOND STRING =%s\n",str1);
    for(int i=0;str[i]!='\0';i++){
        a=str[i];
        str[i]=str1[i];
        str1[i]=a;
    }
    printf("NEW STRING FIRST =%s\n",str);
    printf("NEW STRING SECOND =%s\n",str1);
}